Intel Core Ultra 9 285HX vs Intel Core i7 1355U
We compared two laptop CPUs: Intel Core Ultra 9 285HX with 24 cores 2.8GHz and Intel Core i7 1355U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 9 285HX 's Advantages
Released 2 years late
Better graphics card performance
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.8GHz vs 1.7GHz)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i7 1355U 's Advantages
Higher specification of memory (6400 vs 6400)
Lower TDP (15W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 9 285HX
+11%
2009
Intel Core i7 1355U
1800
Cinebench R23 Multi Core
Intel Core Ultra 9 285HX
+283%
35408
Intel Core i7 1355U
9222
Geekbench 6 Single Core
Intel Core Ultra 9 285HX
+30%
3113
Intel Core i7 1355U
2379
Geekbench 6 Multi Core
Intel Core Ultra 9 285HX
+174%
21819
Intel Core i7 1355U
7945
Cinebench 2024 Single Core
Intel Core Ultra 9 285HX
+48%
135
Intel Core i7 1355U
91
General Parameters
Jan 2025
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Raptor Lake
285HX
Processor Number
i7-1355U
FCBGA-2114
Socket
BGA-1744
Arc Graphics (4-Cores)
Integrated Graphics
Iris Xe Graphics (96EU)
Ultra 9 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
10 nm
45-55 W
Power Consumption
12-15 W
160 W
Max Turbo Power Consumption
55 W
105 °C
Peak Operating Temperature
100°C
Intel
Foundry
-
CPU Performance
8
Performance Cores
2
8
Performance Core Threads
4
2.8 GHz
Performance Core Base Frequency
1.7 GHz
5.5 GHz
Performance Core Turbo Frequency
5 GHz
16
Efficiency Cores
8
16
Efficiency Core Threads
8
2.1 GHz
Efficiency Core Base Frequency
1.2 GHz
4.6 GHz
Efficiency Core Turbo Frequency
3.7 GHz
24
Total Core Count
10
24
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
28
Multiplier
17x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1280 K per core
36 MB shared
L3 Cache
12 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267
192 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
2000 MHz
GPU Max Dynamic Frequency
1300 MHz
512
Shader Units
768
32
Texture Units
48
16
Raster Operation Units
24
64
Execution Units
96
14
Power Consumption
15 W
2 TFLOPS
Graphics Performance
1.69 TFLOPS
